Twin Valley, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Twin Valley, a city in Norman County, Minnesota.
Today
71°F
Patchy Fog then Mostly Cloudy
Patchy fog before 10am. Mostly cloudy. High near 71, with temperatures falling to around 69 in the afternoon. Northeast wind 5 to 12 mph.
7-day forecast for Twin Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Patchy Fog then Mostly Cloudy | 5 to 12 mph NE | 2% |
| Tonight | 50°F | Mostly Cloudy | 8 to 12 mph NNE | 14% |
| Sunday | 67°F | Partly Sunny | 12 mph ENE | 0% |
| Sunday Night | 43°F | Mostly Cloudy | 6 to 9 mph E | 0% |
| Monday | 67°F | Mostly Sunny | 8 mph SE | 0% |
| Monday Night | 40°F | Mostly Clear | 5 to 8 mph SE | 1% |
| Tuesday | 67°F | Sunny | 9 to 15 mph SSE | 1% |
| Tuesday Night | 44°F | Mostly Clear | 13 mph SSE | 0% |
| Wednesday | 68°F | Mostly Sunny | 13 to 17 mph SSE | 1% |
| Wednesday Night | 49°F | Partly Cloudy | 10 to 14 mph SSE | 14% |
| Thursday | 70°F | Partly Sunny | 10 to 14 mph SSE | 14% |
| Thursday Night | 52°F | Partly Cloudy | 10 mph SSE | 12% |
| Friday | 73°F | Mostly Sunny | 10 to 16 mph SSE | 8% |
| Friday Night | 54°F | Mostly Cloudy | 15 mph SSE | 14% |
Forecast source: National Weather Service (api.weather.gov) for Twin Valley (47.259, -96.259). Updated through the day.
Growing snapshot for Twin Valley
Last spring frost
May 11
First fall frost
Sep 27
Growing season
137 days
Hardiness zone
4a
More local growing data for Twin Valley: nearby ZIP 56584 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Ada, Mn (14.1 mi from Twin Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.